<style id="elementor-post-dynamic-7194">.elementor-7194 .elementor-element.elementor-element-2a27995:not(.elementor-motion-effects-element-type-background), .elementor-7194 .elementor-element.elementor-element-2a27995 > .elementor-motion-effects-container > .elementor-motion-effects-layer{background-image:url("https://4dmedical.com/us/wp-content/uploads/sites/2/2023/11/XV-LVAS-Banner-scaled.jpg");}</style>{"id":7194,"date":"2023-11-03T04:42:07","date_gmt":"2023-11-03T04:42:07","guid":{"rendered":"https:\/\/4dmedical.com\/us\/?page_id=7194"},"modified":"2026-07-10T09:57:54","modified_gmt":"2026-07-10T17:57:54","slug":"xv-lvas","status":"publish","type":"page","link":"https:\/\/4dmedical.com\/us\/products\/software\/xv-lvas\/","title":{"rendered":"XV LVAS"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"7194\" class=\"elementor elementor-7194\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2a27995 elementor-section-height-min-height app-page-banner elementor-section-boxed elementor-section-height-default elementor-section-items-middle\" data-id=\"2a27995\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4fdb344\" data-id=\"4fdb344\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-afca324 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"afca324\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-extended\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9d2456a\" data-id=\"9d2456a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0fa7e9a elementor-icon-list--layout-inline elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"0fa7e9a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items elementor-inline-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"\/us\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Home<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Products<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Software<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fd7bedf elementor-widget elementor-widget-heading\" data-id=\"fd7bedf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">SaaS Software<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-1c337d0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1c337d0\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-248f678\" data-id=\"248f678\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6f55393 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"6f55393\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">XV LVAS\u00ae<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-873238e\" data-id=\"873238e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3583e6f elementor-widget elementor-widget-heading\" data-id=\"3583e6f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Unprecedented Functional Lung Health Detail from X-Ray Scans<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3ba6736 elementor-widget elementor-widget-text-editor\" data-id=\"3ba6736\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>XV LVAS\u00ae (X-ray Velocimetry Lung Ventilation Analysis Software) is lung airflow imaging software. XV LVAS processes conventional X-ray scans to provide rich, functional lung health detail not available via other modalities.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8f57ca1 elementor-widget elementor-widget-text-editor\" data-id=\"8f57ca1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Using fluoroscopic lung images from existing hospital equipment, it quantifies regional lung ventilation in a comprehensive but easy-to-interpret report that includes 4D video visualizations. Areas of high and low ventilation are highlighted and ventilation heterogeneity\u2014a recognized indicator of lung health\u2014is quantified.<\/p><p>XV LVAS is provided via Software as a Service (SaaS). Fluoroscopic images are uploaded to 4DMedical for processing with a reference CT.<\/p><ul class=\"app-list\"><li>Regional quantification of lung function, including Lung Volume, Ventilation Heterogeneity (VH) and Ventilation Defect Percentage (VDP)<\/li><li>Four-dimensional imaging\u20143D + time<\/li><li>Easy-to-read visualization of regional lung ventilation<\/li><li>Actionable insights into lung function to better characterize and quantify respiratory conditions and symptoms<\/li><li>Uses existing hospital imaging equipment<\/li><li>No contrast agents<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a4dcbab elementor-widget elementor-widget-spacer\" data-id=\"a4dcbab\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-83181b8 elementor-widget elementor-widget-text-editor\" data-id=\"83181b8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3 style=\"font-family: Galano, sans-serif; color: #182a54;\">\u00a0Technologies for Additional Insights<\/h3>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a1100ef elementor-widget__width-auto app-btn-red elementor-widget elementor-widget-eael-creative-button\" data-id=\"a1100ef\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"eael-creative-button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t        <div class=\"eael-creative-button-wrapper\">\n\n            <a class=\"eael-creative-button eael-creative-button--default eael-cb-icon-position-right\" href=\"https:\/\/4dmedical.com\/us\/products\/software\/ct-lvas\/\" data-text=\"\">\n            \t    \n                <div class=\"creative-button-inner\">\n\n                    \n                    <span class=\"cretive-button-text\">CT LVAS\u2122 -Triage and Quickly Direct Patients for Specialty Care<\/span>\n\n                                            <span class=\"eael-creative-button-icon-right\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"32\" height=\"30\" viewBox=\"0 0 32 30\" fill=\"none\"><ellipse cx=\"15.564\" cy=\"15\" rx=\"15.564\" ry=\"15\" fill=\"#0CBAB4\"><\/ellipse><path d=\"M19.7262 14.989L14.6256 10.0389L14.439 20.0493L19.7262 14.989Z\" fill=\"white\"><\/path><\/svg><\/span>                                    <\/div>\n\t                        <\/a>\n        <\/div>\n        \t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-92e35e6 elementor-widget__width-auto app-btn-red elementor-widget elementor-widget-eael-creative-button\" data-id=\"92e35e6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"eael-creative-button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t        <div class=\"eael-creative-button-wrapper\">\n\n            <a class=\"eael-creative-button eael-creative-button--default eael-cb-icon-position-right\" href=\"https:\/\/4dmedical.com\/us\/products\/software\/lung-density-analysis-functional\/\" data-text=\"\">\n            \t    \n                <div class=\"creative-button-inner\">\n\n                    \n                    <span class=\"cretive-button-text\">LDAf\u2122 - Restrictive &amp; Obstructive Lung Diseases<\/span>\n\n                                            <span class=\"eael-creative-button-icon-right\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"32\" height=\"30\" viewBox=\"0 0 32 30\" fill=\"none\"><ellipse cx=\"15.564\" cy=\"15\" rx=\"15.564\" ry=\"15\" fill=\"#0CBAB4\"><\/ellipse><path d=\"M19.7262 14.989L14.6256 10.0389L14.439 20.0493L19.7262 14.989Z\" fill=\"white\"><\/path><\/svg><\/span>                                    <\/div>\n\t                        <\/a>\n        <\/div>\n        \t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a07cd93 elementor-widget__width-auto app-btn-red elementor-widget elementor-widget-eael-creative-button\" data-id=\"a07cd93\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"eael-creative-button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t        <div class=\"eael-creative-button-wrapper\">\n\n            <a class=\"eael-creative-button eael-creative-button--default eael-cb-icon-position-right\" href=\"https:\/\/4dmedical.com\/us\/products\/software\/iq-uip\/\" data-text=\"\">\n            \t    \n                <div class=\"creative-button-inner\">\n\n                    \n                    <span class=\"cretive-button-text\">IQ-UIP\u2122 - Early IPF Detection<\/span>\n\n                                            <span class=\"eael-creative-button-icon-right\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"32\" height=\"30\" viewBox=\"0 0 32 30\" fill=\"none\"><ellipse cx=\"15.564\" cy=\"15\" rx=\"15.564\" ry=\"15\" fill=\"#0CBAB4\"><\/ellipse><path d=\"M19.7262 14.989L14.6256 10.0389L14.439 20.0493L19.7262 14.989Z\" fill=\"white\"><\/path><\/svg><\/span>                                    <\/div>\n\t                        <\/a>\n        <\/div>\n        \t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-68c377b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"68c377b\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-extended\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ebc6004\" data-id=\"ebc6004\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5467629 elementor-widget elementor-widget-video\" data-id=\"5467629\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;video_type&quot;:&quot;hosted&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-hosted-video elementor-wrapper elementor-open-inline\">\n\t\t\t\t\t<video class=\"elementor-video\" src=\"https:\/\/4dmedical.com\/us\/wp-content\/uploads\/2023\/11\/XV-LVAS_960x540_27MB_US.mp4\" controls=\"\" preload=\"metadata\" controlsList=\"nodownload\" poster=\"https:\/\/4dmedical.com\/us\/wp-content\/uploads\/2023\/11\/XV-LVAS_Thumbnail_US.jpg\"><\/video>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f54bf3d app-download-btn-red elementor-widget elementor-widget-eael-creative-button\" data-id=\"f54bf3d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"eael-creative-button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t        <div class=\"eael-creative-button-wrapper\">\n\n            <a class=\"eael-creative-button eael-creative-button--default eael-cb-icon-position-right\" href=\"\/wp-content\/uploads\/2023\/11\/Brochure-for-download-DOC-5070-v1-XV-LVAS-Info-Sheet.pdf\" data-text=\"\">\n            \t    \n                <div class=\"creative-button-inner\">\n\n                    \n                    <span class=\"cretive-button-text\"><span class=\"app-d-block\">DOWNLOAD THE XV LVAS<\/span> VENTILATION REPORT BROCHURE<\/span>\n\n                                            <span class=\"eael-creative-button-icon-right\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"32\" height=\"30\" viewBox=\"0 0 32 30\" fill=\"none\"><ellipse cx=\"15.564\" cy=\"15\" rx=\"15.564\" ry=\"15\" fill=\"#EC174C\"><\/ellipse><path d=\"M18.5116 11.1985L19.9389 12.6144L15.5011 17.0163L11.0611 12.6122L12.4884 11.1964L14.4976 13.1893V8H16.5046V13.1893L18.5116 11.1985ZM11.0611 17.0163V19.0092H19.993V17.0163H22.0022V21H9V17.0163H11.0611Z\" fill=\"white\"><\/path><\/svg><\/span>                                    <\/div>\n\t                        <\/a>\n        <\/div>\n        \t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-889f325 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"889f325\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-864df62\" data-id=\"864df62\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e5870ba elementor-widget elementor-widget-template\" data-id=\"e5870ba\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"template.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-template\">\n\t\t\t\t\t<div data-elementor-type=\"section\" data-elementor-id=\"7656\" class=\"elementor elementor-7656\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-109dfd3a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"109dfd3a\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-7e37a711\" data-id=\"7e37a711\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2c14eb1e elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"2c14eb1e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What's new at\n4DMedical<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-25966d2b\" data-id=\"25966d2b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-34ba6009 elementor-widget elementor-widget-text-editor\" data-id=\"34ba6009\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Get the latest news about respiratory imaging and ventilation analysis<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-21097258 elementor-button-align-start elementor-mobile-button-align-end app-form-btn-v2 elementor-tablet-button-align-end elementor-widget elementor-widget-form\" data-id=\"21097258\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;step_next_label&quot;:&quot;Next&quot;,&quot;step_previous_label&quot;:&quot;Previous&quot;,&quot;button_width&quot;:&quot;33&quot;,&quot;button_width_tablet&quot;:&quot;100&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" id=\"4dm_newsletter_form\" name=\"Newsletter Form\" aria-label=\"Newsletter 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XV LVAS processes conventional X-ray scans to provide rich, functional lung health detail not available via other modalities. Using fluoroscopic lung images from existing hospital equipment, it [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":7740,"parent":5811,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"class_list":["post-7194","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>XV LVAS Lung Airflow Imaging Software | 4DMedical<\/title>\n<meta name=\"description\" content=\"XV LVAS is lung airflow imaging software that processes X-ray scans to provide lung health detail not available via other modalities.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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